CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Current assets:
Cash and cash equivalents	$ 75,926	$ 86,120
Accounts receivable, net	167,786	158,773
Prepaid expenses and other current assets	23,926	41,709
Total current assets	267,638	286,602
Marketable securities available for sale	11,016	9,567
Other investments	10,920	10,958
Property and equipment, net	45,122	38,208
Goodwill	798,415	814,750
Intangible assets, net	33,619	47,321
Deferred income taxes	47,598	15,196
Other assets	6,724	7,561
Total assets	1,221,052	1,230,163
Current liabilities:
Accounts payable	22,952	19,852
Accrued compensation and employee benefits	71,216	54,368
Other accrued liabilities	27,780	30,958
Deferred revenue	47,129	46,697
Current maturities on debt	77,000	92,000
Total current liabilities	246,077	243,875
Long-term debt	494,000	516,000
Other liabilities	34,147	33,290
Total liabilities	774,224	793,165
Commitments and contingencies
Stockholders’ equity:
Preferred stock ($0.01 par value; 1,000 shares authorized; none issued and outstanding)	0	0
Common stock ($0.01 par value; 200,000 shares authorized, 88,857 shares issued and 30,935 and 31,290 shares outstanding at September 30, 2016 and September 30, 2015, respectively)	309	313
Paid-in-capital	1,185,076	1,152,789
Treasury stock, at cost (57,922 and 57,567 shares at September 30, 2016 and September 30, 2015, respectively)	(2,136,760)	(2,033,644)
Retained earnings	1,475,214	1,368,255
Accumulated other comprehensive loss	(77,011)	(50,715)
Total stockholders’ equity	446,828	436,998
Total liabilities and stockholders’ equity	$ 1,221,052	$ 1,230,163